Answer:
7
Step-by-step explanation:
7(x - 3) = 28 Given
7x - 21 = 28 Distributive property
7x - 21 + 21 = 28 + 21 Addition property of equality
7x = 49 Division Property of equality
7x/7=49/7
x = 7
Complete Question
The complete question is shown on the first uploaded image
Answer:
The correct option is C
Step-by-step explanation:
From the question we are told that
The radius of the cylinder is
The height of the right cone is
From the diagram we see that container B is a semi -sphere and the volume of a semi-sphere is mathematically represented as
The question tells us that both container has the same radius so
This equivalent to
Solving the equation will produce the same formula as
Answer:
Step-by-step explanation:
4y²=22y
4y²-22y=0
2y(2y-11)=0
either y=0 , y=11/2 .